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DA-2277 FEATURES:
• Wireless Receiver Base Charges Wireless Microphones and Also Serves as a Microphone Docking Station
• 11-Step Digital Key Controller
• Professional Digital Echo with Repeat and Delay Controls
• Vocal Cancel and Vocal Partner Features to Remove Guide Vocals from Multiplex Karaoke Media
• Two Additional Mic Inputs for a Total of Four Microphone Channels w/ Individual Volume Controls
• Digital Echo On/Off Switch on 3 Mic Channels
• Music Bass, Treble and Volume Controls
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DA-2277 Digital Key Control Mixer with Dual Rechargeable Wireless Microphone System Contents Cautions and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 Welcome . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Listening for a Lifetime . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Features and Specifications . . . . . . . . . . . .
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Safety Instructions 8. Ventilation - The appliance should be situated so its location does not interfere with its proper ventilation. For example, the appliance should not be situated on a bed, CAUTION sofa, rug, or similar surface that may block the RISK OF SHOCK ventilation slots. 9. Heat - The appliance should be situated away from CAUTION: To reduce the risk of electric shock, heat sources such as radiators, heat registers, do not remove cover (or back). No user- stoves, or ot
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CAUTION: Read this before operating your unit CAUTION The apparatus is not disconnected from the AC power source so long as it is connected to the wall outlet, even if the apparatus itself is turned off. To fully insure that the apparatus is indeed fully void if residual power, leave unit disconnected from the AC outlet for at least fifteen seconds. 1. To ensure the finest performance, please read this manual carefully. Keep it in a safe place for future reference. 2. Install you
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Listening For A Lifetime Selecting fine audio equipment such as the unit you’ve just purchased is only the start of your musical enjoyment. Now it’s time to consider how you can maximize the fun and excitement your equipment offers. VocoPro and the Electronic Industries Association’s Consumer Electronics Group want you to get the most out of your equipment by playing it at a safe level. One that lets the sound come through loud and clear without annoying blaring or distortion and, most impo
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The DA-2277 Features DA-2277 FEATURES: • Wireless Receiver Base Charges Wireless Microphones and Also Serves as a Microphone Docking Station • 11-Step Digital Key Controller • Professional Digital Echo with Repeat and Delay Controls • Vocal Cancel and Vocal Partner Features to Remove Guide Vocals from Multiplex Karaoke Media • Two Additional Mic Inputs for a Total of Four Microphone Channels w/ Individual Volume Controls • Digital Echo On/Off Switch on 3 Mic Channels • Music Bass, Trebl
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Before Getting Started: Things to Consider It is very important to read the following instructions prior to starting any installation procedures. Doing so will ensure a correct installation and may save you some time as well. Protect Against Power Surges • Connect all external components before you plug any of their power cords into the wall outlet. • Turn off the DA-2277 before you connect or disconnect any cables. • Make sure all cables are properly grounded. Protect Components from Over
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Microphone Basics Wireless Microphones - The Basics • Every wireless microphone system must operate on a specific frequency range. • The government dictates the frequency ranges available for use with consumer wireless devices. • Wireless frequencies are shared with TV stations, communications equipment and a large number of wireless microphone systems. • Because of frequency sharing, there is always at least a small chance that someone else in the area might be using the same frequ
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Microphone Basics Avoiding Feedback Acoustic feedback can be a problem in any sound system. Audio systems that include wireless microphones are somewhat more prone to feedback than those using only wired microphones, simply because the freedom of movement with wireless makes it more likely that the user will walk in front of the speakers. Take steps to make it less likely that the wireless user will walk in front of the speakers. These steps can include more rehearsal time, markings on the
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Front Panel Descriptions and Controls 1 2 3 4 5 6 7 Digital Key Control Mixer with/Dual Rechargeable Wireless Mic System Delay Repeat Digital Echo Mic 4 Mic 3 Mic 1 (wireless) 0 10 0 10 0 10 Echo On Echo On Echo On Music DIGITAL KEY CONTROLLER 5 0 0 0 0 9 Remote Key Control 0 10 -15 +15 -15 +15 POWER Down Normal Up Vocal Partner Vocal Cancel A/V Source Mic Master Bass Treble Mic 4 Input Mic 3 Input Mic 2 (wireless) 1. POWER button –This button turns the DA-2277’s power ON/OFF. 2. DOWN, NORMAL
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Front/Top Panel Descriptions and Controls TOP VIEW OF DA-2277 8 12 14 Digital Key Control Mixer with/Dual Rechargeable Wireless Mic System Delay Repeat Digital Echo Mic 4 Mic 3 Mic 1 (wireless) 0 10 0 10 0 10 Echo On Echo On Echo On Music 5 DIGITAL KEY CONTROLLER 0 0 9 0 0 Remote Key Control 0 10 -15 +15 -15 +15 POWER Down Normal Up Vocal Partner Vocal Cancel A/V Source Mic Master Volume Bass Treble Mic 4 Input Mic 3 Input Mic 2 (wireless) 11 13 9 10 8. MIC BASS AND TREBLE controls – These cont
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115 Rear Panel Descriptions and Controls 1 2 3 4 5 6 7 8 9 4 3/L BALANCED OUT 3/R 2 1 A4/VCD A3/LD A2/CDG A1/DVD V3/LD V1/DVD 1 SERIAL NUMBER CAUTION ! RISK OF ELECTRICAL SHOCK DO NOT OPEN LA VERNE, CALIFORNIA USA MIC OUT ONLY CAUTION: TO PREVENT ELECTRIC SHOCK, DO NOT REMOVE COVER SCREWS NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED PERSONNEL VIDEO VIDEO IN OUT WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRICAL SHOCK AC OUTPUT DO NOT EXPOSE THIS EQUIP
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Microphone Descriptions and Functions 5. WINDSCREEN/CAPSULE 1. POWER LED 3. CHARGE LED 2. POWER SWITCH 4. BATTERY COMPARTMENT 1. POWER LED indicator – This LED lights up when the microphone is turned on and in use. 2. POWER switch – This switch turns the microphone ON/OFF. 3. CHARGE LED indicator – This LED lights up when the microphone is being charged. 4. BATTERY compartment – This is where you insert the microphone batteries. 5. WINDSCREEN/CAPSULE – The WINDSCREEN houses and protects
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Replacing/Recharging the Microphone Batteries Replacing Microphone Batteries • Unscrew the BATTERY COMPARTMENT cap by twisting it counter-clockwise. BATTERY COMPARTMENT BATTERY LID • Insert 2 new RECHARGEABLE AA batteries into the BATTERY COMPARTMENT with the polarities matched as shown in the diagram located in the compartment. BATTERY COMPARTMENT BATTERIES • Replace and retighten the BATTERY COMPARTMENT cap by twisting it clockwise. BATTERY COMPARTMENT CLOSED NOTE: The microphones will o
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115 115 Getting Connected Connecting A/V Source Players to the DA-2277 For each A/V source player, you will need an A/V patch cable (red, white and yellow plugs). • Connect one set of red and white plugs to the AUDIO OUT jacks on your source player and the yellow plug to the VIDEO OUT jack on your source player. • Connect the other set of red and white plugs to an AUDIO IN jacks of your choice (VCD, LD, CDG, DVD) on the DA-2277 and connect the yellow plug to the VIDEO IN jack correspon
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115 115 Getting Connected Connecting Video to Display Devices • For each VIDEO OUT connection, connect a single RCA patch cable from the VIDEO IN jack on your display device to the VIDEO OUT (1 or 2) jack on the DA-2277. • If the TV does not have a VIDEO INPUT jack you may connect that end of the cable to the VIDEO INPUT of a VCR and connect the RF OUTPUT of the VCR to the TV ANTENNA INPUT jack. • If there is no VCR present, you will need to use an RF Modulator. To obtain an RF Modulato
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Understanding and Avoiding VHF Interference Recognizing Interference The ways of recognizing the type of interference present are observing the receiver LED indications and carefully listening to the audio. A set of headphones can be a useful tool in isolating and analyzing interference problems. With headphones it is easier to listen to one wireless channel at a time, even when the system is in use. Below are some interference descriptions. Most likely there is one that matches the symptoms
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Understanding and Avoiding VHF Interference Avoiding Basic Problems Sometimes interference problems have very basic causes. To avoid wasting time on an easily correctable problem, check the following items before proceeding: • Make certain than no radio transmitters are allowed to come closer than approximately 10 to 15 feet of the wireless receiver antennas. This can overload the receiver and increase the chances of interference. • Make certain not to allow receiver antennas to touch each
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NOTE: The low VHF TV channels (2 through 6) are not used for wireless microphones and do not need to be considered Understanding and Avoiding VHF Interference Frequency Conflicts There are two primary ways that other wireless systems and TV channels cause interference. The first is a direct frequency conflict. If two wireless systems are on the same frequency, usually neither system will be usable unless the other is turned off. This problem is more common than might be expected, especially
